PartsTable
Technical Data Sheet
PL547-176PC138 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The LOCKNUT is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-735-6609, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PL547-176PC138
NSN: 5310-00-735-6609
FSC: 5310
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
Part NumberPL547-176PC138
NSN5310-00-735-6609
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PL547-176PC138 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2966Interchangeable
interchangeable cross-reference
interchangeable
202-08-21Interchangeable
interchangeable cross-reference
interchangeable
A-A-59193 CLAInterchangeable
interchangeable cross-reference
interchangeable
A-A-59193Interchangeable
interchangeable cross-reference
interchangeable
R104-6Interchangeable
interchangeable cross-reference
interchangeable
2019858Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL547-176PC138?
PL547-176PC138 is a LOCKNUT.
What parts can replace PL547-176PC138?
There are 20 known substitutes for PL547-176PC138: 2966, 202-08-21, A-A-59193 CLA and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL547-176PC138?
PL547-176PC138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-735-6609. This indicates validated use in U.S. government and defense supply chains.
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